ACID RED 151
- CAS NO.：6406-56-0
- Empirical Formula: C22H15N4NaO4S
- Molecular Weight: 454.43
- MDL number: MFCD00003903
- EINECS: 229-029-9
- SAFETY DATA SHEET (SDS)
- Update Date: 2025-10-23 17:25:30
What is ACID RED 151?
Preparation
4-((4-Aminophenyl)diazenyl)benzenesulfonic acid diazo, and Naphthalen-2-ol coupling.
Flammability and Explosibility
Not classified
Properties and Applications
red. Dark red powder. Soluble in water is cloudy brown light orange, soluble in ethanol (orange) and soluble fiber element, insoluble in other organic solvents. Meet strong sulfuric acid as blue light green, a weak light brown after diluted orange. Its water solution and strong hydrochloric acid for orange brown; Add thick sodium hydroxide solution for dark purple. Apply to polyamide, silk, wool and wool fabric dyeing of, also can used for the polyamide plastic shading. Can also be used in leather dyeing.
| Standard | Light Fastness | Soaping | Persperation Fastness | Oxygen bleaching | Fastness to seawater | |||
| Fading | Stain | Fading | Stain | Fading | Stain | |||
| ISO | 4 | 4 | 3-4 | 4 | 4 | 3-4 | 4 | 3-4 |
| AATCC | 6 | 3 | 3 | 2-3 | 3 | 3 | ||
Properties of ACID RED 151
| Boiling point: | 855.43℃[at 101 325 Pa] |
| Density | 1.41[at 20℃] |
| vapor pressure | 0Pa at 25℃ |
| form | Powder |
| color | Brown |
| Water Solubility | 10mg/L at 25℃ |
| EPA Substance Registry System | C.I. Acid Red 151, monosodium salt (6406-56-0) |
Safety information for ACID RED 151
Computed Descriptors for ACID RED 151
ACID RED 151 manufacturer
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